Ordering data

The maximum permissible field?weakening speed is 2600 rpm for all the variants listed above.

The following rated voltages are available:

• 400 V 3 AC
• 460 V 3 AC
• 500 V 3 AC
• 690 V 3 AC (special insulation!)

The standard version of the external fan motor is designed for

Other rated voltages can be ordered with order code Y81 and plain text.

We recommend that the external fan motor is ordered with a standstill heater for outdoor installations. Cables for the external fan motors must always enter from below. The fan cowl can be turned accordingly.
The motors are available in types of construction IM B3 and IM B35.

The electrical data of the motors for intermittent duty S3 plus the relevant planning data can be found in the selection and ordering data.
The special versions normally required for cranes are the only options listed under selection and ordering data for 1LG4, 1LG6 SH 315 L with external fan > "Options". For further options, see section SIMOTICS SD 1LA/1LG/1LP/1PP Standard Motors > "Supplements to order numbers and special versions".

The basic version of the 1LG4 motor without an external fan is described in section SIMOTICS SD 1LA/1LG/1LP/1PP Standard Motors.